Arapahoe County Fair 2024 Calendar. Welcome to the arapahoe county fairgrounds and event center explore more than 50,000 square feet of indoor event space to spread out in and tons of outdoor space.  — come out for good ol’ fashioned family fun at the 118th annual arapahoe county fair.

Arapahoe county fair & event center · aurora.  — the arapahoe county fair is fun for the whole herd.